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Figure 6 (A, B) Acute tilt-table study results. Systolic blood pressure (A) and heart rate (B) in the active treatment arm (continuous line) and control arm (dotted line). Values are expressed as mean ± 1 SE. During the test, some patients had syncope and the test was interrupted; numbers at the top refer to patients free of syncope at that time. (A) With inactive sham treatment there was a progressive decrease in systolic blood pressure all along the test; on the contrary, after a mild decrease from supine to standing, bandage maintained pressure at a stable level all along the test. The difference became significant (p < 0.05) from the fourth minute to the end of the test. The small nonsignificant higher value of blood pressure in the supine position in the active treatment arm is likely to be caused by an effect of an elastic bandage already present in the supine position. (B) Heart rate behavior was similar in the 2 study arms. There was a progressive compensatory heart rate increase all along the test of similar entity with both treatments. HR = heart rate; SBP = systolic blood pressure.
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